Expressions

Grade 7 · Unit 5

Evaluating with Rational Numbers

Substitution fluency

Curriculum standard — Understand stage of the Thinking Ladder

Concept first

Evaluating with Rational Numbers begins with meaning — what it is and why it holds — before any procedure. The structure comes first; computation follows.
Definition

Evaluating with Rational Numbers

The precise meaning of this topic, stated in mathematical terms.

A plain-language restatement so the definition is understood, not just memorized.